Diving in Great Australian Bight
Quick Facts
- • Entry types: Mostly shore entries
- • Expect: Varies by conditions visibility
- • Highlights: Discover Great Australian Bight's dive spots
Explore the underwater wonders of Great Australian Bight, sea. This region features 100 documented dive spots, each offering unique underwater experiences. Whether you're seeking calm snorkeling bays, challenging freediving depths, or exciting scuba adventures, Great Australian Bight has something for every underwater explorer. Browse detailed spot information, check current conditions from recent dive logs, and connect with the local diving community to make the most of your visit.
Regional Context
🏛️ Marine Hierarchy
🌍 Associated Countries
Countries in Great Australian Bight (1)
Sub-regions in Great Australian Bight (2)
Popular Spots in Great Australian Bight (100+ spots)
3rd Gutter
3rd Gutter is a dive site suitable for divers of all experience levels, featuring depths ranging from 18 to 22 meters. The area is characterized by abundant vegetation, providing habitat for a variety of marine life. Notable species include Nudibranchs, Gorgonians, Sydney Pygmy Pipe Horses, and Weedy Sea Dragons, along with various other fish species. The site is accessed via shore entry.
Ammo Jetty
Ammo Jetty is situated at Woodman Point, accessible via a shore entry. The dive site features a gradual slope leading to a maximum depth of 9 meters. It is known for its diverse marine life, including octopuses, nudibranchs, and the occasional seahorse, which can be found among the jetty's pylons. Divers should be cautious of fishing lines due to the site's popularity among anglers.
Ammo Jetty
Ammo Jetty is situated at Woodman Point, accessible via a shore entry. The dive site features a gradual slope leading to a maximum depth of 9 meters. It is known for its diverse marine life, including octopuses, nudibranchs, and the occasional seahorse, which can be found among the jetty's pylons. Divers should be cautious of fishing lines due to the site's popularity among anglers.
Bicton Baths - Swan River
Bicton Baths is a sheltered dive site located at the bottom of the Bicton Baths reserve. Divers should exercise buoyancy control due to the presence of a silty bottom. A shark net is installed along the jetty, providing a unique feature for divers. At night, the area is known for an abundance of crabs and prawns, and divers can look along the net and mooring lines to spot seahorses.
Bicton Baths - Swan River
Bicton Baths is a sheltered dive site located at the bottom of the Bicton Baths reserve. Divers should exercise buoyancy control due to the presence of a silty bottom. A shark net is installed along the jetty, providing a unique feature for divers. At night, the area is known for an abundance of crabs and prawns, and divers can look along the net and mooring lines to spot seahorses.
Blairgowrie Pier
Blairgowrie Pier is situated in Camerons Bight along the southern coastline of Port Philip, nestled between Sorrento and Rye on Victoria’s Mornington Peninsula. This site offers a diverse range of marine habitats, showcasing a variety of marine life. Notable species include Nudibranchs, Dumpling Squid, Southern Calamari Squid, Octopus, Seahorses, various mollusks, Cuttlefish, Spider Crabs, Globe Fish, Leatherjackets, Stingrays, and Banjo Sharks. The environment is dynamic and colorful, providing a rich experience for divers.
Blairgowrie Pier
Blairgowrie Pier is situated in Camerons Bight along the southern coastline of Port Philip, nestled between Sorrento and Rye on Victoria’s Mornington Peninsula. This site offers a diverse range of marine habitats, showcasing a variety of marine life. Notable species include Nudibranchs, Dumpling Squid, Southern Calamari Squid, Octopus, Seahorses, various mollusks, Cuttlefish, Spider Crabs, Globe Fish, Leatherjackets, Stingrays, and Banjo Sharks. The environment is dynamic and colorful, providing a rich experience for divers.
Blue Devil Cave
Blue Devil Cave is located on the NSW south coast and is accessible via a shore entry at The Gutter. Divers can explore a small cave at a maximum depth of 22 meters, with a short swim required to reach the cave. The site is home to various marine species, including Blue Devil Fish, Sydney Pygmy Pipehorses, Frog Fish, Nudibranchs, Cuttlefish, and Weedy Sea Dragons, among others. This dive offers ample opportunity to observe marine life both on the way to and from the cave.
Boarfish Reef
Boarfish Reef is located in the Sponge Gardens area, approximately midway between Queenscliff and Point Lonsdale. The dive site begins at a depth of around 10 meters and gradually descends to approximately 22 meters, featuring a variety of rock formations, overhangs, and swim-throughs. Divers can expect to encounter marine life such as Blue Devil fish, Crayfish, Leather Jackets, nudibranchs, mosaic sea stars, yellow sea spiders, and Boarfish.
Boarfish Reef
Boarfish Reef is located in the Sponge Gardens area, approximately midway between Queenscliff and Point Lonsdale. The dive site begins at a depth of around 10 meters and gradually descends to approximately 22 meters, featuring a variety of rock formations, overhangs, and swim-throughs. Divers can expect to encounter marine life such as Blue Devil fish, Crayfish, Leather Jackets, nudibranchs, mosaic sea stars, yellow sea spiders, and Boarfish.
Bushrangers Bay
Bushrangers Bay is accessible from the westernmost car park, featuring a timber staircase that leads down to a rocky beach entry point. It is advisable to wear appropriate footwear due to the rocky terrain. The site is a marine protected area, which prohibits the collection of marine life. Year-round, divers can observe a resident population of grey nurse sharks, with their numbers increasing during the summer months. In the shallower areas, stingrays can be spotted, while Port Jackson sharks are typically found in deeper waters.
Busselton Jetty
Busselton Jetty is accessible via a shore entry, requiring a considerable walk from the parking area. A trolley is recommended for transporting dive gear. The dive site features an underwater observatory and offers a variety of marine life, including large pelagic fish, pufferfish, and nudibranchs. The easy step entry from the platform allows divers to explore the surrounding waters effectively.
Busselton Jetty
Busselton Jetty is accessible via a shore entry, requiring a considerable walk from the parking area. A trolley is recommended for transporting dive gear. The dive site features an underwater observatory and offers a variety of marine life, including large pelagic fish, pufferfish, and nudibranchs. The easy step entry from the platform allows divers to explore the surrounding waters effectively.
Captain Nitros' Drop-off
Captain Nitros' Drop-off is situated at the western end of Spectacular Reef, featuring a series of walls that descend in increments of 5 to 10 meters, reaching depths of over 60 meters. This site is suitable for divers of all experience levels. The area is characterized by large boulders, comparable in size to houses, which were deposited by the ancient Yarra River. While diving, you may encounter large fish in the midwater, and with some luck, seals and dolphins may also make an appearance.
Captain Nitros' Drop-off
Captain Nitros' Drop-off is situated at the western end of Spectacular Reef, featuring a series of walls that descend in increments of 5 to 10 meters, reaching depths of over 60 meters. This site is suitable for divers of all experience levels. The area is characterized by large boulders, comparable in size to houses, which were deposited by the ancient Yarra River. While diving, you may encounter large fish in the midwater, and with some luck, seals and dolphins may also make an appearance.
Cheynes III (Wreck)
Cheynes III is a notable wreck dive, originally a 47.9-meter long whale chaser, now serving as an artificial reef. The wreck rests at a maximum depth of 23 meters, providing an accessible dive for divers of all experience levels. Visibility typically ranges from 10 to 15 meters, offering good conditions for exploration. The site is best dived in favorable weather, avoiding south to southwest winds. Marine life is diverse, with schools of bulls-eye fish frequently seen around the bridge, along with species such as queen snapper, blue groper, harlequin fish, blue devils, and a variety of smaller colorful reef fish.
Cheynes III (Wreck)
Cheynes III is a notable wreck dive, originally a 47.9-meter long whale chaser, now serving as an artificial reef. The wreck rests at a maximum depth of 23 meters, providing an accessible dive for divers of all experience levels. Visibility typically ranges from 10 to 15 meters, offering good conditions for exploration. The site is best dived in favorable weather, avoiding south to southwest winds. Marine life is diverse, with schools of bulls-eye fish frequently seen around the bridge, along with species such as queen snapper, blue groper, harlequin fish, blue devils, and a variety of smaller colorful reef fish.
Cheynes III (Wreck)
Cheynes III is a notable wreck dive, originally a 47.9-meter long whale chaser, now serving as an artificial reef. The wreck rests at a maximum depth of 23 meters, providing an accessible dive for divers of all experience levels. Visibility typically ranges from 10 to 15 meters, offering good conditions for exploration. The site is best dived in favorable weather, avoiding south to southwest winds. Marine life is diverse, with schools of bulls-eye fish frequently seen around the bridge, along with species such as queen snapper, blue groper, harlequin fish, blue devils, and a variety of smaller colorful reef fish.
Cottage By The Sea
Cottage By The Sea offers easy access for shore diving, with a brief walk from the parking area to the water. The dive site features depths ranging from 6 to 9 meters, where divers can explore ledges and swim-throughs. Conditions can be influenced by swells and currents, so caution is advised. Marine life commonly observed includes cuttlefish, weedy seadragons, and occasional crayfish. Divers may also encounter old bottles scattered throughout the area.
Cottage By The Sea
Cottage By The Sea offers easy access for shore diving, with a brief walk from the parking area to the water. The dive site features depths ranging from 6 to 9 meters, where divers can explore ledges and swim-throughs. Conditions can be influenced by swells and currents, so caution is advised. Marine life commonly observed includes cuttlefish, weedy seadragons, and occasional crayfish. Divers may also encounter old bottles scattered throughout the area.
Crystal Palace, Rottnest Island
Crystal Palace is situated 850 meters southwest of Dyer Island, featuring numerous caves and swim-throughs. The site reaches a maximum depth of 18 meters, making it suitable for divers with varying experience levels. It is advisable to bring a torch to explore the underwater formations effectively. The marine life here is diverse, with sightings of blue groupers, harlequin fish, Samson fish, buffalo bream, leather-jackets, and dhufish.
Crystal Palace, Rottnest Island
Crystal Palace is situated 850 meters southwest of Dyer Island, featuring numerous caves and swim-throughs. The site reaches a maximum depth of 18 meters, making it suitable for divers with varying experience levels. It is advisable to bring a torch to explore the underwater formations effectively. The marine life here is diverse, with sightings of blue groupers, harlequin fish, Samson fish, buffalo bream, leather-jackets, and dhufish.
Devil’s Dropoff
Devil’s Dropoff is located along the renowned Lonsdale Wall in Melbourne. The dive site features a significant drop-off that ranges from approximately 12 to 30 meters, characterized by numerous ledges, overhangs, and swim-through passages. Divers can encounter the Southern Blue Devil fish, which is commonly seen throughout the area.
Devil’s Dropoff
Devil’s Dropoff is located along the renowned Lonsdale Wall in Melbourne. The dive site features a significant drop-off that ranges from approximately 12 to 30 meters, characterized by numerous ledges, overhangs, and swim-through passages. Divers can encounter the Southern Blue Devil fish, which is commonly seen throughout the area.
Eliza Ramsden, wreck
The Eliza Ramsden is a wreck site located at coordinates -38.294500, 144.655200. This three-masted iron barque was built in Glasgow, Scotland, in 1874 and was 151 feet long with a gross tonnage of 415 tons. The vessel sank in 1875 during its maiden voyage after striking Corsair Rock, but there were no casualties. After being abandoned, it drifted back into the bay and eventually sank. The wreck now lies submerged and can be accessed from the shore, making it a notable dive site for those interested in maritime history.
Eliza Ramsden, wreck
The Eliza Ramsden is a wreck site located at coordinates -38.294500, 144.655200. This three-masted iron barque was built in Glasgow, Scotland, in 1874 and was 151 feet long with a gross tonnage of 415 tons. The vessel sank in 1875 during its maiden voyage after striking Corsair Rock, but there were no casualties. After being abandoned, it drifted back into the bay and eventually sank. The wreck now lies submerged and can be accessed from the shore, making it a notable dive site for those interested in maritime history.
Emu Point
Emu Point is a beginner-friendly shore dive located at the southern end of Oyster Harbor. This site features a U-shaped swimming jetty and offers easy access with nearby parking. The dive site is shallow, with a maximum depth of 6 meters, making it suitable for skill development. Water temperatures here can be slightly cooler, often 2 to 3 degrees lower than the open ocean. While diving, you may encounter various marine life, including bream, whiting, and stingrays around the jetty pilons.
Emu Point
Emu Point is a beginner-friendly shore dive located at the southern end of Oyster Harbor. This site features a U-shaped swimming jetty and offers easy access with nearby parking. The dive site is shallow, with a maximum depth of 6 meters, making it suitable for skill development. Water temperatures here can be slightly cooler, often 2 to 3 degrees lower than the open ocean. While diving, you may encounter various marine life, including bream, whiting, and stingrays around the jetty pilons.
Emu Point
Emu Point is a beginner-friendly shore dive located at the southern end of Oyster Harbor. This site features a U-shaped swimming jetty and offers easy access with nearby parking. The dive site is shallow, with a maximum depth of 6 meters, making it suitable for skill development. Water temperatures here can be slightly cooler, often 2 to 3 degrees lower than the open ocean. While diving, you may encounter various marine life, including bream, whiting, and stingrays around the jetty pilons.
Flinders Pier
Flinders Pier serves as a reliable dive site when northerly winds affect conditions in Port Phillip. It is sheltered from these winds and is optimal for diving during high tide, as the depth decreases significantly at low tide. The site is known for its diverse marine life, including Weedy Sea Dragons, cuttlefish, large smooth rays, eagle rays, crabs, and various smaller fish species.
Flinders Pier
Flinders Pier serves as a reliable dive site when northerly winds affect conditions in Port Phillip. It is sheltered from these winds and is optimal for diving during high tide, as the depth decreases significantly at low tide. The site is known for its diverse marine life, including Weedy Sea Dragons, cuttlefish, large smooth rays, eagle rays, crabs, and various smaller fish species.
Foggy Reef
Foggy Reef is located at the southern end of the Lonsdale wall system, featuring a dive depth of approximately 8 meters at the top of the wall, making it suitable for beginner divers. By swimming northeast, divers can reach the edge of the wall. This site is part of the Port Phillip Heads Marine National Park, characterized by abundant colorful sponges and coral that thrive on the various overhangs and undercuts, supporting a diverse marine ecosystem.
Foggy Reef
Foggy Reef is located at the southern end of the Lonsdale wall system, featuring a dive depth of approximately 8 meters at the top of the wall, making it suitable for beginner divers. By swimming northeast, divers can reach the edge of the wall. This site is part of the Port Phillip Heads Marine National Park, characterized by abundant colorful sponges and coral that thrive on the various overhangs and undercuts, supporting a diverse marine ecosystem.
Four Mile Reef
Four Mile Reef is located at a depth of 18 meters and is accessible via boat from the marina in Busselton. The site is known for its diverse marine life, including schooling fish such as Bullseye and various species of rays. Divers may also encounter Wobbegong sharks, Port Jackson sharks, octopuses, and cuttlefish, making it a rich environment for underwater exploration.
Four Mile Reef
Four Mile Reef is located at a depth of 18 meters and is accessible via boat from the marina in Busselton. The site is known for its diverse marine life, including schooling fish such as Bullseye and various species of rays. Divers may also encounter Wobbegong sharks, Port Jackson sharks, octopuses, and cuttlefish, making it a rich environment for underwater exploration.
Frenchman Bay
Frenchman Bay offers a shallow dive experience ideal for novice divers, with entry options including a surface swim from the shore or a gentle rock stride. During night dives, divers may encounter small pyjama squid, which are poisonous, along with cuttlefish and the occasional seadragon. The site is located at coordinates -35.089700, 117.949800.
Frenchman Bay
Frenchman Bay offers a shallow dive experience ideal for novice divers, with entry options including a surface swim from the shore or a gentle rock stride. During night dives, divers may encounter small pyjama squid, which are poisonous, along with cuttlefish and the occasional seadragon. The site is located at coordinates -35.089700, 117.949800.
Frenchman Bay
Frenchman Bay offers a shallow dive experience ideal for novice divers, with entry options including a surface swim from the shore or a gentle rock stride. During night dives, divers may encounter small pyjama squid, which are poisonous, along with cuttlefish and the occasional seadragon. The site is located at coordinates -35.089700, 117.949800.
FV Lena
The FV Lena is a purpose-sunk wreck that was previously a fishing vessel involved in illegal fishing of Patagonian Tooth Fish in Australian Antarctic waters. The Australian Navy seized the vessel and subsequently sank it. Divers can access the site from the shore, with a mooring line leading to the bow of the wreck that also serves as a descent line. The maximum depth at this site is 18 meters. The wreck is covered in coral and sponge growth, providing habitat for various marine life. Common sightings include wobbegong sharks and Port Jackson sharks, along with schools of fish and Nudibranchs.
FV Lena
The FV Lena is a purpose-sunk wreck that was previously a fishing vessel involved in illegal fishing of Patagonian Tooth Fish in Australian Antarctic waters. The Australian Navy seized the vessel and subsequently sank it. Divers can access the site from the shore, with a mooring line leading to the bow of the wreck that also serves as a descent line. The maximum depth at this site is 18 meters. The wreck is covered in coral and sponge growth, providing habitat for various marine life. Common sightings include wobbegong sharks and Port Jackson sharks, along with schools of fish and Nudibranchs.
Gouldens Sinkhole
Gouldens Sinkhole is a limestone sinkhole that reaches a maximum depth of approximately 20 meters. This site is designated for CDAA certified divers and students only, making it a prime location for cave training in the region. Divers may encounter small black fish and freshwater crayfish, with the possibility of spotting vibrant blue crayfish as well.
Gouldens Sinkhole
Gouldens Sinkhole is a limestone sinkhole that reaches a maximum depth of approximately 20 meters. This site is designated for CDAA certified divers and students only, making it a prime location for cave training in the region. Divers may encounter small black fish and freshwater crayfish, with the possibility of spotting vibrant blue crayfish as well.
Gravel Loader
Gravel Loader offers a productive dive along the jetty and around its end. Divers may encounter grey nurse sharks during the summer months, as this area serves as their habitat. Additionally, banded coral shrimp can be found within a cut-off pylon, while lionfish are also present in the summer. It is advisable to look upwards while diving, as kingfish and old wives are often seen around the pylons.
Guerrilla Bay
Guerrilla Bay features two distinct dive areas. The northern section, known as The Pot, is recommended for advanced divers under suitable conditions. The southern area, referred to as The Beach, presents a rocky landscape with a flat reef that inclines at approximately 35 degrees, leading to vertical walls that reach depths of up to 10 meters. The underwater environment is characterized by seaweed-covered rocks and various crevices, providing habitats for diverse marine life including blue groper, wrasse, luderick, octopus, and stingrays.
Hauler Wreck
The Hauler Wreck is a tugboat that was intentionally sunk in 1979 to create a dive site. This site is accessible only by boat and is subject to exposure from easterly and northerly weather conditions. Divers should possess advanced training or be certified for deep dives up to 30 meters. The wreck serves as a habitat for a diverse range of fish, with kingfish often seen schooling around it. During the whale migration season, divers may hear the songs of whales while exploring the site.
Herold Reef
Herold Reef is located at coordinates -35.032800, 118.037300 and is accessible via shore entry. This dive site features a submerged limestone coastline with depths ranging from 4 to 16 meters. Divers can explore interesting underwater structures and observe a variety of marine life. The site is known for its exposure to swell, which can create significant surge conditions, particularly in shallower areas where waves may break during heavier swells. Notable fish species endemic to the region include the Western Blue Groper, WA Dhufish, and Queen Snapper.
Herold Reef
Herold Reef is located at coordinates -35.032800, 118.037300 and is accessible via shore entry. This dive site features a submerged limestone coastline with depths ranging from 4 to 16 meters. Divers can explore interesting underwater structures and observe a variety of marine life. The site is known for its exposure to swell, which can create significant surge conditions, particularly in shallower areas where waves may break during heavier swells. Notable fish species endemic to the region include the Western Blue Groper, WA Dhufish, and Queen Snapper.
Herold Reef
Herold Reef is located at coordinates -35.032800, 118.037300 and is accessible via shore entry. This dive site features a submerged limestone coastline with depths ranging from 4 to 16 meters. Divers can explore interesting underwater structures and observe a variety of marine life. The site is known for its exposure to swell, which can create significant surge conditions, particularly in shallower areas where waves may break during heavier swells. Notable fish species endemic to the region include the Western Blue Groper, WA Dhufish, and Queen Snapper.
Hillarys Marina Wall
Hillarys Marina Wall is a shore entry dive site located at -31.825800, 115.734800. The area can experience variable visibility due to suspended seagrass, but there are clear sections that provide interesting exploration opportunities. This sheltered site is suitable for beginners and features a variety of marine life, including octopus, crabs, and large schools of baitfish. Divers should remain close to the wall to minimize encounters with boat traffic.
HMAS Perth II
The HMAS Perth II is a 133-meter-long wreck located at depths ranging from 5 to 36 meters. This dive site is accessible only by boat, with a fixed mooring in place. It is situated approximately 20 minutes from the marina. Divers can expect average visibility between 10 and 15 meters. The site is home to a variety of marine species, including wobbegong sharks, break sea cod, nudibranchs, Tasmanian blennies, pink snapper, Samson fish, queen snapper, blue groper, blue devils, and numerous small colorful reef fish.
HMAS Perth II
The HMAS Perth II is a 133-meter-long wreck located at depths ranging from 5 to 36 meters. This dive site is accessible only by boat, with a fixed mooring in place. It is situated approximately 20 minutes from the marina. Divers can expect average visibility between 10 and 15 meters. The site is home to a variety of marine species, including wobbegong sharks, break sea cod, nudibranchs, Tasmanian blennies, pink snapper, Samson fish, queen snapper, blue groper, blue devils, and numerous small colorful reef fish.
HMAS Perth II
The HMAS Perth II is a 133-meter-long wreck located at depths ranging from 5 to 36 meters. This dive site is accessible only by boat, with a fixed mooring in place. It is situated approximately 20 minutes from the marina. Divers can expect average visibility between 10 and 15 meters. The site is home to a variety of marine species, including wobbegong sharks, break sea cod, nudibranchs, Tasmanian blennies, pink snapper, Samson fish, queen snapper, blue groper, blue devils, and numerous small colorful reef fish.
HMAS Swan (Wreck)
The HMAS Swan, a 2750-ton vessel measuring 140 meters in length, was intentionally sunk in Geographe Bay in December 1997. It rests at a depth of 30 meters and exhibits a slight list. The wreck has become a habitat for various fish and marine species, contributing to its ecological significance. Divers can explore the structure and observe the diverse marine life that has taken residence in and around the wreck.
HMAS Swan (Wreck)
The HMAS Swan, a 2750-ton vessel measuring 140 meters in length, was intentionally sunk in Geographe Bay in December 1997. It rests at a depth of 30 meters and exhibits a slight list. The wreck has become a habitat for various fish and marine species, contributing to its ecological significance. Divers can explore the structure and observe the diverse marine life that has taken residence in and around the wreck.
Hole in the Wall
Hole in the Wall is characterized by a gap in the reef structure, open to the sky. This dive site is accessible only during calm weather conditions due to potential surge during entry and exit. The space within the hole accommodates 3 to 4 divers at a time. Marine life includes various nudibranch species, with the notable presence of blue sea spiders often found among the growth inside the hole.
Ile Des Phoque
Ile Des Phoque features a colony of Australian fur seals located on the southwest side at a depth of 21 meters. Divers can expect to encounter the seals shortly after the boat anchors, as they are accustomed to interacting with divers. The boat trip from Triabunna to the island takes about an hour.
Ile Des Phoque
Ile Des Phoque features a colony of Australian fur seals located on the southwest side at a depth of 21 meters. Divers can expect to encounter the seals shortly after the boat anchors, as they are accustomed to interacting with divers. The boat trip from Triabunna to the island takes about an hour.
Limestone Head
Limestone Head is a shore entry dive site located at coordinates -35.088000, 117.995900. This site is well-protected from southern winds and most swells, making it an accessible dive for various skill levels. Divers can expect to encounter a variety of marine life, including the Western Blue Grouper, Blue Morwong (Queen Snapper), Silver Drummer, and occasionally, Samson fish. The dive is easy to navigate and offers a rich experience of local fish species.
Limestone Head
Limestone Head is a shore entry dive site located at coordinates -35.088000, 117.995900. This site is well-protected from southern winds and most swells, making it an accessible dive for various skill levels. Divers can expect to encounter a variety of marine life, including the Western Blue Grouper, Blue Morwong (Queen Snapper), Silver Drummer, and occasionally, Samson fish. The dive is easy to navigate and offers a rich experience of local fish species.
Limestone Head
Limestone Head is a shore entry dive site located at coordinates -35.088000, 117.995900. This site is well-protected from southern winds and most swells, making it an accessible dive for various skill levels. Divers can expect to encounter a variety of marine life, including the Western Blue Grouper, Blue Morwong (Queen Snapper), Silver Drummer, and occasionally, Samson fish. The dive is easy to navigate and offers a rich experience of local fish species.
Little Beach
Little Beach features a rock step entry leading into approximately 2 meters of water. Conditions can be challenging with a running swell, making it advisable to dive on calm days. Navigation is straightforward; divers should keep the rocks on their right side for a dive duration of over 30 minutes, allowing for an easy exit back to shore. Marine life sightings may include sea dragons, large grouper, red lip morwongs, dusky morwongs, break sea cod, and occasional stingrays.
Little Beach
Little Beach features a rock step entry leading into approximately 2 meters of water. Conditions can be challenging with a running swell, making it advisable to dive on calm days. Navigation is straightforward; divers should keep the rocks on their right side for a dive duration of over 30 minutes, allowing for an easy exit back to shore. Marine life sightings may include sea dragons, large grouper, red lip morwongs, dusky morwongs, break sea cod, and occasional stingrays.
Lonsdale Bommies
Lonsdale Bommies is located approximately 1 kilometer from the Point Lonsdale Light, positioned outside the shipping channel near Port Phillip Heads. This site features a series of underwater rock formations known as bommies. The area is characterized by strong currents that contribute to a nutrient-rich environment, fostering abundant marine growth and diverse marine life. Divers can expect to encounter a variety of species in this vibrant ecosystem.
Lonsdale Bommies
Lonsdale Bommies is located approximately 1 kilometer from the Point Lonsdale Light, positioned outside the shipping channel near Port Phillip Heads. This site features a series of underwater rock formations known as bommies. The area is characterized by strong currents that contribute to a nutrient-rich environment, fostering abundant marine growth and diverse marine life. Divers can expect to encounter a variety of species in this vibrant ecosystem.
Lou’s Reef
Lou's Reef is accessible from the shore, allowing divers and experienced snorkelers to reach the site directly. The reef is known for its diverse marine life, including large sponges, gorgonians, sea spiders, and various fish species. The presence of currents can enhance the abundance of fish, making it a lively spot for underwater observation. Additionally, sea tulips and other unique marine organisms contribute to the rich biodiversity found here.
Merimbula Wharf
Merimbula Wharf is a shore dive site located on the southern side of the headland, with a maximum depth of 16 meters. The site faces south and is best dived when there are minimal swells or when the wind is coming from the north. Divers can expect to encounter a variety of marine life including soft corals, sponges, Gropers, Rays, Octopus, and Nudibranchs, typical of the southern Australian rocky reef ecosystem.
Mordialloc Pier
Mordialloc Pier is situated on Beach Road at the entrance to Mordialloc Creek, not far from Melbourne. The site features a variety of marine life, including blennies, seahorses, puffer fish, dumpling squid, calamari, starfish, blue ring octopuses, toadfish, jellyfish, and pufferfishes. While it shares some similarities with the marine life found at Mornington Pier, it is generally considered less diverse and interesting. The entry to the dive site is from the shore, making it accessible for divers.
Mordialloc Pier
Mordialloc Pier is situated on Beach Road at the entrance to Mordialloc Creek, not far from Melbourne. The site features a variety of marine life, including blennies, seahorses, puffer fish, dumpling squid, calamari, starfish, blue ring octopuses, toadfish, jellyfish, and pufferfishes. While it shares some similarities with the marine life found at Mornington Pier, it is generally considered less diverse and interesting. The entry to the dive site is from the shore, making it accessible for divers.
Mornington Pier
Mornington Pier, established in the 1850s, serves as a popular dive training location and is frequently utilized for night dives by divers in Melbourne. The site is typically accessible for diving when there is a moderate wind. Divers can expect to encounter a variety of marine life including old wives, globe fish, crabs, seahorses, starfish, squid, gurnards, and other species that inhabit the pylons.
Mornington Pier
Mornington Pier, established in the 1850s, serves as a popular dive training location and is frequently utilized for night dives by divers in Melbourne. The site is typically accessible for diving when there is a moderate wind. Divers can expect to encounter a variety of marine life including old wives, globe fish, crabs, seahorses, starfish, squid, gurnards, and other species that inhabit the pylons.
Murray Road Boat Ramp
Murray Road Boat Ramp offers a beginner-friendly dive with a straightforward shore entry. The dive site features a small rock wall, with an average depth of approximately 5 meters. It is generally sheltered from most weather conditions, although easterly winds can affect the site. Divers can expect to see a variety of fish typical to the South Coast Bioregion, including Dusky Morwongs, Wrasse, and juvenile Grouper.
Murray Road Boat Ramp
Murray Road Boat Ramp offers a beginner-friendly dive with a straightforward shore entry. The dive site features a small rock wall, with an average depth of approximately 5 meters. It is generally sheltered from most weather conditions, although easterly winds can affect the site. Divers can expect to see a variety of fish typical to the South Coast Bioregion, including Dusky Morwongs, Wrasse, and juvenile Grouper.
Murray Road Boat Ramp
Murray Road Boat Ramp offers a beginner-friendly dive with a straightforward shore entry. The dive site features a small rock wall, with an average depth of approximately 5 meters. It is generally sheltered from most weather conditions, although easterly winds can affect the site. Divers can expect to see a variety of fish typical to the South Coast Bioregion, including Dusky Morwongs, Wrasse, and juvenile Grouper.
Navy Warf
Navy Warf offers a straightforward shore entry for divers. The primary focus of the dive is the exploration of the concrete pylons located beneath the wharf. The sandy bottom features patches of seaweed to the west of the structure. Common marine life includes Banjo sharks and Stingrays, with opportunities to spot octopus and Weedy Sea Dragons around the pylons. Additionally, Sea Pens can be observed at the deeper end of the warf.
Nurses Quarters
Nurses Quarters is situated 1 kilometer west of Rottnest Island and features the notable Shark Cave. The cave descends to a depth of 26 meters and is typically home to grey nurse sharks. Only divers with the necessary training and certification should explore this cave. Additionally, divers may encounter Port Jackson sharks and wobbegongs around the swim-through areas of the reef, with grey nurse sharks being the primary attraction at this site.
Nurses Quarters
Nurses Quarters is situated 1 kilometer west of Rottnest Island and features the notable Shark Cave. The cave descends to a depth of 26 meters and is typically home to grey nurse sharks. Only divers with the necessary training and certification should explore this cave. Additionally, divers may encounter Port Jackson sharks and wobbegongs around the swim-through areas of the reef, with grey nurse sharks being the primary attraction at this site.
Opera House
Opera House is located approximately 5 kilometers northeast of Rottnest Island. This dive site features a gentle slope that descends from 23 meters to 31 meters. The site includes a rock formation within a large cave system. Divers can observe various marine life, including schools of bullseyes, dhufish, and the occasional grey nurse shark. The underwater environment is characterized by the presence of sponges and some coral species.
Portsea Hole
Portsea Hole is located approximately 500 meters from Portsea Pier and is a remnant of the old Yarra River. The dive site begins at a depth of 14 meters, featuring a vertical wall that extends about 75 meters to the north. This wall descends to a sandy bottom at 27 meters, leading into a sand bowl that reaches a depth of 33 meters. The wall is characterized by small overhangs that provide habitat for a diverse range of invertebrates and fish, including the notable Blue Devil fish.
Portsea Hole
Portsea Hole is located approximately 500 meters from Portsea Pier and is a remnant of the old Yarra River. The dive site begins at a depth of 14 meters, featuring a vertical wall that extends about 75 meters to the north. This wall descends to a sandy bottom at 27 meters, leading into a sand bowl that reaches a depth of 33 meters. The wall is characterized by small overhangs that provide habitat for a diverse range of invertebrates and fish, including the notable Blue Devil fish.
Roe Reef
Roe Reef is a shore entry dive site characterized by its shallow depths and vibrant marine life. The area features limestone reefs that are home to a variety of small fish and abundant coral formations. Divers can explore caverns and swim through narrow passages, making it an engaging experience for both freedivers and scuba divers. The site is particularly noted for its crayfish population, adding to the diverse underwater ecosystem.
Roe Reef
Roe Reef is a shore entry dive site characterized by its shallow depths and vibrant marine life. The area features limestone reefs that are home to a variety of small fish and abundant coral formations. Divers can explore caverns and swim through narrow passages, making it an engaging experience for both freedivers and scuba divers. The site is particularly noted for its crayfish population, adding to the diverse underwater ecosystem.
Rottnest Island
Rottnest Island offers divers the opportunity to explore underwater caves and bomi walls. The site is known for its diverse marine life, including schools of small reef fish, lobsters, and a variety of nudibranchs. Be mindful of potential currents in certain areas during your dive.
Rottnest Island
Rottnest Island offers divers the opportunity to explore underwater caves and bomi walls. The site is known for its diverse marine life, including schools of small reef fish, lobsters, and a variety of nudibranchs. Be mindful of potential currents in certain areas during your dive.
Rye Pier
Rye Pier is an L-shaped structure extending approximately 500 meters, constructed in 1860 primarily for the lime trade. The pier is oriented North-Northeast, making it unsuitable for diving during strong northerly winds. Divers must walk about 50 meters to reach the lower landing at the pier's end. Night dives are particularly rewarding, as more marine life becomes active. Common sightings include octopus, seahorses, cuttlefish, nudibranchs, smooth rays, shrimp, blue-ringed octopuses, and migrating spider crabs.
Rye Pier
Rye Pier is an L-shaped structure extending approximately 500 meters, constructed in 1860 primarily for the lime trade. The pier is oriented North-Northeast, making it unsuitable for diving during strong northerly winds. Divers must walk about 50 meters to reach the lower landing at the pier's end. Night dives are particularly rewarding, as more marine life becomes active. Common sightings include octopus, seahorses, cuttlefish, nudibranchs, smooth rays, shrimp, blue-ringed octopuses, and migrating spider crabs.
Shark Bay
Shark Bay is characterized by a permanent sandbar that links Broulee Island to the mainland. The bay features predominantly shallow waters, ranging from 3 to 4 meters in depth, with seagrass beds present on the sandy bottom and rocky areas surrounding the bay. During calm weather, snorkelers can observe a variety of marine life, including Banjo Sharks, which are notable inhabitants of this area.
South Point
South Point offers a dive depth ranging from 10 to 15 meters over a varied seabed. Access to the site is via boat. The area is typically sheltered from harsh conditions, making it a reliable dive location. It serves as a nursery for juvenile fish, with notable populations of Old Wife, Bight Redfish, Moonlighter, and Breaksea cod. Divers may also encounter the occasional Queen snapper and large cuttlefish during their dive.
South Point
South Point offers a dive depth ranging from 10 to 15 meters over a varied seabed. Access to the site is via boat. The area is typically sheltered from harsh conditions, making it a reliable dive location. It serves as a nursery for juvenile fish, with notable populations of Old Wife, Bight Redfish, Moonlighter, and Breaksea cod. Divers may also encounter the occasional Queen snapper and large cuttlefish during their dive.
South Point
South Point offers a dive depth ranging from 10 to 15 meters over a varied seabed. Access to the site is via boat. The area is typically sheltered from harsh conditions, making it a reliable dive location. It serves as a nursery for juvenile fish, with notable populations of Old Wife, Bight Redfish, Moonlighter, and Breaksea cod. Divers may also encounter the occasional Queen snapper and large cuttlefish during their dive.
Spectacular Reef
Spectacular Reef, also known as Spec Reef, is located in the South Channel of Port Phillip, Victoria, and is part of the historical Yarra River bed. The site is expansive and features a variety of dive locations. Divers can encounter diverse marine life, including Blue Devilfish, soft corals, Silver Trumpeter, Leather Jackets, Rosy Wrasse, and curious White Ear. The area is influenced by shipping traffic, which is an important consideration for divers. Entry to the site is from the shore.
Spectacular Reef
Spectacular Reef, also known as Spec Reef, is located in the South Channel of Port Phillip, Victoria, and is part of the historical Yarra River bed. The site is expansive and features a variety of dive locations. Divers can encounter diverse marine life, including Blue Devilfish, soft corals, Silver Trumpeter, Leather Jackets, Rosy Wrasse, and curious White Ear. The area is influenced by shipping traffic, which is an important consideration for divers. Entry to the site is from the shore.
St Leonards Pier
St Leonards Pier, also known as St Leonards Jetty and Breakwater, is recognized for its vibrant underwater ecosystem. The site features numerous pylons adorned with colorful sponge growth, various kelp species, and other marine vegetation, making it visually appealing for divers and snorkelers. It is an excellent location for macro photography, with opportunities to observe octopus among the marine life. The dive site can be explored both during the day and at night, providing diverse experiences in different lighting conditions.
St Leonards Pier
St Leonards Pier, also known as St Leonards Jetty and Breakwater, is recognized for its vibrant underwater ecosystem. The site features numerous pylons adorned with colorful sponge growth, various kelp species, and other marine vegetation, making it visually appealing for divers and snorkelers. It is an excellent location for macro photography, with opportunities to observe octopus among the marine life. The dive site can be explored both during the day and at night, providing diverse experiences in different lighting conditions.
sue's groyne
Sue's Groyne is accessible via a beach entry, located a short 3-minute walk from the Chelydra Park car park. Divers can walk out to a depth of approximately 2.4 meters before encountering a drop-off that descends to about 4 meters. To the left of the entry point, a sandbar remains at a depth of 1.9 meters, extending roughly 150 meters from the shore before dropping to 4.5 meters. Marine life commonly observed in this area includes octopus, striped juvenile catfish, toadfish, triggerfish, squid, cuttlefish, and occasionally baby Port Jackson sharks.
sue's groyne
Sue's Groyne is accessible via a beach entry, located a short 3-minute walk from the Chelydra Park car park. Divers can walk out to a depth of approximately 2.4 meters before encountering a drop-off that descends to about 4 meters. To the left of the entry point, a sandbar remains at a depth of 1.9 meters, extending roughly 150 meters from the shore before dropping to 4.5 meters. Marine life commonly observed in this area includes octopus, striped juvenile catfish, toadfish, triggerfish, squid, cuttlefish, and occasionally baby Port Jackson sharks.
The Arch
The Arch is located on the southern side of Bass Point, with depths reaching approximately 28 meters. Divers can access this site from the shore by swimming around from Bushrangers Bay. The site features a swim-through that measures between 3 to 4 meters in height, which may vary due to sand movement. Occasionally, divers may encounter Grey Nurse Sharks, along with sightings of Slipper Lobsters.
The Bone Yard
The Bone Yard is a small dive site characterized by dense plate coral formations that rise from a depth of 18 meters to 13 meters. This area is populated with a variety of juvenile fish, making it suitable for beginner divers or those returning to the sport. At the lower depths, divers may encounter schools of Swallowtail and Bight Redfish, as well as species such as Sergeant Baker, Western Blue Devil, and Octopus.
The Bone Yard
The Bone Yard is a small dive site characterized by dense plate coral formations that rise from a depth of 18 meters to 13 meters. This area is populated with a variety of juvenile fish, making it suitable for beginner divers or those returning to the sport. At the lower depths, divers may encounter schools of Swallowtail and Bight Redfish, as well as species such as Sergeant Baker, Western Blue Devil, and Octopus.
The Bone Yard
The Bone Yard is a small dive site characterized by dense plate coral formations that rise from a depth of 18 meters to 13 meters. This area is populated with a variety of juvenile fish, making it suitable for beginner divers or those returning to the sport. At the lower depths, divers may encounter schools of Swallowtail and Bight Redfish, as well as species such as Sergeant Baker, Western Blue Devil, and Octopus.
The Cables
The Cables is named for an old communication cable that is now entangled within the dive site. The depth ranges from 8 to 28 meters, making it suitable for Open Water divers and those with higher certifications. Visibility typically falls between 10 and 15 meters. Divers can expect to encounter marine life such as scorpionfish, western blue devils, and nudibranchs, along with large blue grouper that are often seen swimming in the area.